Acoustic emissions from the inner ear and brain stem responses in type 2 diabetics

Figures & data

Table 1 Comparison of demographic, clinical, and laboratory characteristics according to existence of disordered ABR and OAE in one ear in diabetic patients

Variable	Normal ABR and OAE (n = 46)*	Abnormal ABR and OAE (n = 4)	P
Age (years)	(48) 48 ± 2	(46) 46 ± 3	0.256
Gender (male)	(35) 16	(0) 0	0.495
Duration of diabetes (years)	(7) 8 ± 2	(6) 8 ± 5	0.593
HbA1c (%)	(9) 9 ± 2	(8) 8 ± 2	0.928
Serum creatinine (mg/dL)	(1) 1 ± 0	(1) 1 ± 0	0.928
High cholesterol	(76) 35	(75) 3	0.679
High blood pressure	(41) 19	(25) 1	0.472
Complaint of hearing loss	(35) 16	(50) 2	0.456
Existing noise in ear	(20)9	(0) 0	0.444
Complaint of vertigo	(39) 18	(75) 3	0.193

* Note: All values after n values are ranges.

Abbreviations: ABR, auditory brain stem response; OAE, acoustic emission of inner ear.

Table 2 Comparison of demographic, clinical, and laboratory characteristics according to existence of disordered ABR in one ear in diabetic patients

Variable	Normal ABR and OAE (n = 46)*	Abnormal ABR and OAE (n = 4)	P
Age (years)	(46) 46 ± 3	(48) 48 ± 2	0.256
Gender (male)	(35) 16	(0) 0	0.201
Duration of diabetes (years)	(6) 8 ± 5	(7) 8 ± 2	0.593
HbA1c (%)	(8) 8 ± 2	(9) 9 ± 2	0.307
Serum creatinine (mg/dL)	(1) 1 ± 0	(1) 1 ± 0	0.928
High cholesterol	(76) 35	(75) 3	0.679
High blood pressure	(41) 19	(25) 1	0.472
Complaint of hearing loss	(35) 16	(50) 2	0.456
Existing noise in ear	(20) 9	(0) 0	0.440
Complaint of vertigo	(39) 18	(75) 3	0.193

* Note: All values after n values are ranges.

Abbreviations: ABR, auditory brain stem response; OAE, acoustic emission of inner ear.

Table 3 Comparison of demographic, clinical, and laboratory characteristics according to existence of disordered OAE in one ear in diabetic group

Variance	Normal ABR and OAE (n = 46)*	Abnormal ABR and OAE (n = 4)	P
Age (years)	(46) 46 ± 3	(47) 46 ± 4	0.541
Gender (male)	(33) 14	(25) 2	0.495
Duration of diabetes (years)	(6) 8 ± 5	(8) 9 ± 3	0.099
HbA1c (%)	(7) 8 ± 2	(9) 9 ± 2	0.067
Serum creatinine (mg/dL)	(1) 1 ± 0	(1) 1 ± 0	0.314
High cholesterol	(79) 33	(63) 5	0.287
High blood pressure	(43) 18	(25) 2	0.297
Complaint of hearing loss	(33) 14	(50) 4	0.303
Existing noise in ear	(17) 7	(25) 2	0.445
Complaint of vertigo	(38) 16	(63) 5	0.186

* Note: All values after n values are ranges.

Abbreviations: ABR, auditory brain stem response; OAE, acoustic emission of inner ear.

Table 4 Comparison of demographic, clinical, and laboratory characteristics according to existence of disordered ABR or OAE in one ear in diabetic patients

Variability	Normal ABR and OAE (n = 46)*	Abnormal ABR and OAE (n = 4)	P
Age (years)	(47) 46 ± 4	(46) 46 ± 3	0.541
Gender (male)	(33) 14	(25) 2	0.495
Duration of diabetes (years)	(8) 9 ± 3	(6) 8 ± 5	0.099
HbA1c (%)	(9) 9 ± 2	(7) 8 ± 2	0.067
Creatinine serum (mg/dL)	(1) 1 ± 0	(1) 1 ± 0	0.314
High cholesterol	(79) 33	(63) 5	0.287
High blood pressure	(43) 18	(25) 2	0.297
Complaint of hearing loss	(33) 14	(50) 4	0.303
Existing noise in ear	(17) 7	(25) 2	0.445
Complaint of vertigo	(38) 16	(63) 5	0.186

* Note: All values after n values are ranges.

Abbreviations: ABR, auditory brain stem response; OAE, acoustic emission of inner ear.